I took my new rig out to my range for some load development testing. It's a rem 700 with a 8.5 twist Bartlein chambered in 243AI Found that 43g of R 17 was pushing 105's 3150fps and shooting .3's @ 100 in the wind. Not as fast as I'd like, but it's hard to mess with that kind of accuracy. Those marks on that little steel are three rounds from 500yrds. I've got to thank Dave Tooley for putting together a sweet shooter for me.
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